Prefix Information
The prefix 621 is part of area code 803 serving Columbia, South Carolina.
This exchange contains 10,000 possible phone numbers (803-621-0000 through 803-621-9999).
Phone numbers with prefix 621 in area code 803. Location: Columbia, South Carolina.
The prefix 621 is part of area code 803 serving Columbia, South Carolina.
This exchange contains 10,000 possible phone numbers (803-621-0000 through 803-621-9999).